370 THE REV. T. R. R. STEBBIKG ONT 



shorter than the second, which is four times as long as the third; 

 flagellura of 30 joints in the male, 26 in the female, accessory of 

 6 and 5 joints respectively. Second antennse with long peduncle, 

 last joint a little longer than the penultimate, a little .shorter 

 than the 13-jointed fiagellum. 



The n)outh-organs and perreopoJs do not seem to offer charac- 

 ters of value specifically. The first giiathopods of the male are 

 in near agreement with the figure and description given by 

 Mr. A. O. Walker in 1909. My figure was drawn before I had 

 realized the necessity of comparing it with Mr. Walker's. His 

 description is, " hnnd three times as long as wrist, hind margin 

 longer than palm, which is defined by a blunt, everted tooth, 

 setose on the side ; behind this is a large sinus followed by a 

 |)rominent flat-topped tooth ; dactyl us swollen neai- the middle." 

 In my specimen the front margin is rather longer than that in 

 Mr, Walker's drawing and the blunt tooth is not everted, but 

 such differences may well be individual. In regard to the first 

 guathopods of the female, with their slightly excavated palm, 

 Mr, Walker's figure agrees fairly well ^\■itll T)ana's and with mine, 

 which also was drawn befoi'e compai'ison with Dana's species had 

 occurred to me as desirable. Mr. Walker speaks of the fourth 

 and fifth perjeopods as having "the 2nd joiuts wider than in the 

 ' Challenger ' specimen " (of L. kergueleni). That would not 

 agree with the foi'in hei'e in question or with Dana's figure. 



In the TU'opods Dana notices the long s[)ines apical to the 

 peduncles of tlie first and second pairs. In the first pair the 

 rami differ slightly from Dana's figure in being a little longer 

 instead of a little shorter than the peduncle, but on Dana's plate 

 they are drawn in stY«, which is unfavourable to minute accuracy 

 of measurement. 



The telson is considerably longer than broad, a fact that 

 would scarcely be suspected fi-om a lateral view. Length of 

 male in much curved position 7 mm,, at full stretch probably 

 10 mm. or more ; female (with numerous eggs) nearly as long. 



Locality. Falklands, fi'om i-oots of Macrocystis at 2-4 fathoms, 

 Jan. 14, 1902. 



Fam. P 11 o T I DM. 



1872-76, Photidm Boeck, Skand, Arkt, Amphip. vol, i. p, 74, 



vol, ii. p. 546. 

 1906. „ Stebbing, Das Tierreich, vol, xxi, p, 602. 



Gen, Haplochetra Haswell. 



1879. HaploclieAra Haswell, P, Linn. >Soc, N.S. Wales, vol. iv, 

 p, 273, 



Haplocheira barbimanus (G. M, Thomson). 



1879. Gammariis harhbnanns Tliomson, Tr, N. Zealand Inst, 

 vol. xi, p. 241, 1)1. 10 D. fig. 1, 



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